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Influence of Preliminary Acid Treatment before Bleaching on Indices of Hardwood Sulphate Pulp

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T.A. Koroleva, G.V. Komarova, V. I. Komarov, L.A. Milovidova

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676.1

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Abstract

The preliminary acid treatment by using water solution of sulfur dioxide and sulfuric acid is shown to allow reducing the content of hexenuronic acids and Kappa number of hardwood sulphate pulp.

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Influence of Preliminary Acid Treatment before Bleaching on Indices of Hardwood Sulphate Pulp

 

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